FDC37B78X Datasheet, PDF (1/258 Pages) SMSC Corporation – Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

FDC37B78x
ADVANCE INFORMATON
Enhanced Super I/O Controller with ACPI Support,
Real Time Clock and Consumer IR
FEATURES
• 5 Volt Operation
• PC98/99 and ACPI 1.0 Compliant
• Battery Back-up for Wake-Events
• ISA Plug-and-Play Compatible Register Set
- 12 IRQ Options
- 15 Serial IRQ Options
- 16 Bit Address Qualification
- Four DMA Options
- 12mA AT Bus Drivers
• BIOS Buffer
• 20 GPI/O Pins
• 32kHz Standby Clock Output
• Soft Power Management
• ACPI/PME Support
• SCI/SMI Support
- Watchdog timer
- Power Button Override Event
- Either Edge Triggered Interrupts
• Intelligent Auto Power Management
- Shadowed Write-only Registers
- Programmable Wake-up Event
Interface
• 8042 Keyboard Controller
- 2K Program ROM
- 256 Bytes Data RAM
- Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling Access
- 8 Bit Timer/Counter
- Port 92 Support
- Fast Gate A20 and Hardware Keyboard
Reset
• Real Time Clock
- Day of Month Alarm, Century Byte
- MC146818 and DS1287 Compatible
- 256 Bytes of Battery Backed CMOS in
Two Banks of 128 Bytes
- 128 Bytes of CMOS RAM Lockable in
4x32 Byte Blocks
- 12 and 24 Hour Time Format
- Binary and BCD Format
- 10 µA Standby Battery Current (typ)¹
• 2.88MB Super I/O Floppy Disk Controller
- Relocatable to 480 Different Addresses
- Licensed CMOS 765B Floppy Disk
Controller
- Advanced Digital Data Separator
- SMSC's Proprietary 82077AA
Compatible Core
- Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power
Consumption
- Supports Two Floppy Drives Directly
- Software Write Protect
- FDC on Parallel Port
- Low Power CMOS Design
- Supports Vertical Recording Format
- 16 Byte Data FIFO
- 100% IBM® Compatibility
- Detects All Overrun and Underrun
Conditions